denozord/strongswan-ext
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merged the modularization branch (credentials) back to trunk

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This commit is contained in:
Martin Willi
2008-03-13 14:14:44 +00:00
parent 2df655134c
commit 552cc11b1f
495 changed files with 30378 additions and 23843 deletions
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src/libstrongswan/chunk.c
+23 -74
View File
@@ -1,10 +1,3 @@
/**
* @file chunk.c
*
* @brief Pointer/lenght abstraction and its functions.
*
*/
/*
* Copyright (C) 2005-2006 Martin Willi
* Copyright (C) 2005 Jan Hutter
@@ -19,6 +12,8 @@
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* $Id$
*/
#include <stdio.h>
@@ -356,82 +351,22 @@ bool chunk_equals_or_null(chunk_t a, chunk_t b)
return a.len == b.len && memeq(a.ptr, b.ptr, a.len);
}
/**
* Number of bytes per line to dump raw data
*/
#define BYTES_PER_LINE 16
/**
* output handler in printf() for byte ranges
*/
static int print_bytes(FILE *stream, const struct printf_info *info,
const void *const *args)
{
char *bytes = *((void**)(args[0]));
int len = *((size_t*)(args[1]));
char buffer[BYTES_PER_LINE * 3];
char ascii_buffer[BYTES_PER_LINE + 1];
char *buffer_pos = buffer;
char *bytes_pos = bytes;
char *bytes_roof = bytes + len;
int line_start = 0;
int i = 0;
int written = 0;
written += fprintf(stream, "=> %d bytes @ %p", len, bytes);
while (bytes_pos < bytes_roof)
{
*buffer_pos++ = hexdig_upper[(*bytes_pos >> 4) & 0xF];
*buffer_pos++ = hexdig_upper[ *bytes_pos & 0xF];
ascii_buffer[i++] =
(*bytes_pos > 31 && *bytes_pos < 127) ? *bytes_pos : '.';
if (++bytes_pos == bytes_roof || i == BYTES_PER_LINE)
{
int padding = 3 * (BYTES_PER_LINE - i);
int written;
while (padding--)
{
*buffer_pos++ = ' ';
}
*buffer_pos++ = '\0';
ascii_buffer[i] = '\0';
written += fprintf(stream, "\n%4d: %s %s",
line_start, buffer, ascii_buffer);
buffer_pos = buffer;
line_start += BYTES_PER_LINE;
i = 0;
}
else
{
*buffer_pos++ = ' ';
}
}
return written;
}
/**
* output handler in printf() for chunks
*/
static int print_chunk(FILE *stream, const struct printf_info *info,
static int chunk_print(FILE *stream, const struct printf_info *info,
const void *const *args)
{
chunk_t *chunk = *((chunk_t**)(args[0]));
bool first = TRUE;
chunk_t copy = *chunk;
int written = 0;
printf_hook_functions_t mem = mem_get_printf_hooks();
if (!info->alt)
{
const void *new_args[] = {&chunk->ptr, &chunk->len};
return print_bytes(stream, info, new_args);
return mem.print(stream, info, new_args);
}
while (copy.len > 0)
@@ -451,10 +386,24 @@ static int print_chunk(FILE *stream, const struct printf_info *info,
}
/**
* register printf() handlers
* arginfo handler for printf() mem ranges
*/
static void __attribute__ ((constructor))print_register()
static int chunk_arginfo(const struct printf_info *info, size_t n, int *argtypes)
{
register_printf_function(PRINTF_CHUNK, print_chunk, arginfo_ptr);
register_printf_function(PRINTF_BYTES, print_bytes, arginfo_ptr_int);
if (n > 0)
{
argtypes[0] = PA_POINTER;
}
return 1;
}
/**
* return printf hook functions for a chunk
*/
printf_hook_functions_t chunk_get_printf_hooks()
{
printf_hook_functions_t hooks = {chunk_print, chunk_arginfo};
return hooks;
}